I’m happy to hear that you like the tool!
Some common errors are addressed here: Troubleshooting Common Errors in BatchPatch
Other errors can be searched for in the forum. If you can’t find what you’re looking for, then if you would describe in as much detail as possible what kind of problems you’re running into, I will try to help. To start with, what action are you clicking on to get the Error 64? What about the Error 2? I would want to see the content of the All Messages column, at least. Also please feel free to contact us via email (BatchPatch Contact Page) so that we can iterate more rapidly and exchange information more easily to get to the bottom of the problem(s).
Note, most of the error codes that appear in BatchPatch with no associated error message are actually just Windows error codes being passed through. There is a list of Windows error codes here: http://msdn.microsoft.com/en-us/library/windows/desktop/ms681382%28v=vs.85%29.aspx